Show-Me Hundred Square Gridded Boards - Show-me B/HSB, Show-me A4 100 Square Drywipe Boards - Bulk box of 100 sets - Find patterns, investigate numbers and develop mathematical skills with these hundred square Show-me boards. With a quick glance you can check progress and understanding, then tweak your plans accordingly.Use instead of endless sheets of paper, or space in exercise books - think about how much budget you could save, let alone the number of trees!Every board has an ultra-smooth, glossy surface for optimal erasability, with the designs sealed under a protective layer. All Show-me boards made since 2014 are made from Polypropylene, making them 100% recyclable at the end of their lifespan. Simply pop into your usual recycling bin!High-quality A4 drywipe Show-me Boards pre-printed and double-sided, with one side showing a populated hundred square, and the other showing a blank hundred squareThe ideal resource for mastering mathematical operations such as basic counting, addit